Hi all. I have a 51 Plymouth Flathead 6 with an Edmund's dual intake manifold and am using 2 stock Ball&Ball Carter carburetors. I put this setup together a few years ago and it seems to idle and run good. I even go drag racing w it for fun once a year at the antique nationals at irwindale in Calif. No flat spots and plugs don't foul out. The spark plugs look pretty good w medium tan color at the base of the porcelain. Overall I would say it runs pretty good but I am guessing its a tad rich.....it must be because I have doubled stock carbs and I see some black smoking when under a heavy load. Here is the question.......where can I find a selection of jets for these stock carbs? I asked my local carb shop and they couldn't really help as they typically work on newer larger carbs. I am building a hotter engine too and will need to tune that engine. In the meantime I would like to dial this engine a little better and purchase a selection of jets so I can easily tune my car when I make changes to it. Anybody know if? what? where? such jets are available and what the application would be? so I can track em down. So far I am pretty happy w the carbs as is and would rather not change carbs out at this point. Any help would be greatly appreciated! Thx. MIKE Posted using the Full Custom H.A.M.B. App!